Computer Graphics: A Man In Rain..!!(Code in C)

#include<stdio.h>

#include<dos.h>

#include<conio.h>

#include<graphics.h>

#include<stdlib.h>

//UDF for Rain

void rain(int x1,int y1,int x2,int y2)

{

int s,dx,dy,m,c=0,t=1;

float xi,yi,x,y;

dx=x2-x1;

dy=y2-y1;

if(abs(dx)>abs(dy))

s=abs(dx);

else

s=abs(dy);

xi=dx/(float)s;

yi=dy/(float)s;

x=x1;

y=y1;

putpixel(x1+0.5,y1+0.5,random(10));

for(m=0;m<s;m++)

{

c++;

x+=xi;

y+=yi;

if(getpixel(x,y)==4)

break;

if(c%10==0)

t++;

putpixel(x+0.5,y+0.5,0);

if(t%2==0)

putpixel(x+0.5,y+0.5,9);

}

}

//main function...

void main()

{

int gd=DETECT,gm=DETECT,c=-200,i=0,x=40,l=15,h=15,ht=0;

initgraph(&gd,&gm,"c:\\tc\\bgi");

cleardevice();

setcolor(BROWN);

line(0,201,600,201);

cont:

while(!kbhit())

{

setcolor(4);

ellipse(x,100,0,180,50,30);

line(x-50,100,x+50,100);

line(x,100,x,150);

circle(x-20,115,15);

line(x-20,130,x-20,175);

line(x-20,175,x-20-l,200);

line(x-20,175,x-20+l,200);

line(x-20,140,x,150);

line(x-20,140,x-20-h,160);

for(i=0;i<620;i+=20)

{

rain(i,c,i,200);

}

c++;

if(c==0)

c=-100;

setcolor(0);

delay(10);

ellipse(x,100,0,180,50,30);

line(x-50,100,x+50,100);

line(x,100,x,150);

circle(x-20,115,15);

line(x-20,130,x-20,175);

line(x-20,175,x-20-l,200);

line(x-20,175,x-20+l,200);

line(x-20,140,x,150);

line(x-20,140,x-20-h,160);

line(x+50,100,x+50,200);

x++;

l--;

if(l==-15)

l=15;

if(ht==1)

h++;

else h--;

if(h==15)

ht=0;

else if(h==-15)

ht=1;

}

if(getch()==' ')

{

while(!kbhit());

getch();

goto cont;

}

}